Total two model numbers: CL18-31X
　 CL12-31X .
1.save the energy
2.protect the entironment
3.big air volume
4.low noise
5.great air pressure
6.It can be controlled automati cally by the electron;It also has

automatical cleanout function;
7.It can protect the water pump from burning off if it is lack of

water;
8.It can protect the electromotor.